From patchwork Mon Feb 4 23:15:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ray Jui X-Patchwork-Id: 1036337 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=broadcom.com header.i=@broadcom.com header.b="FHVJQ2pA"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43tkB65HG1z9sN9 for ; Tue, 5 Feb 2019 10:17:02 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727129AbfBDXQS (ORCPT ); Mon, 4 Feb 2019 18:16:18 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:46483 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728686AbfBDXQR (ORCPT ); Mon, 4 Feb 2019 18:16:17 -0500 Received: by mail-pl1-f194.google.com with SMTP id o6so627317pls.13 for ; Mon, 04 Feb 2019 15:16:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=+CqdFjUbPsFcXmKSPDmmDo194EYEoBLQtAS5/cHaV78=; b=FHVJQ2pABaLxUpn0N8klmC8ZSLpOloU2rvX6bShNOiqNIFCDcdFghxrkWw9ASWiQVm FYHKqZH7MkK5nFH/ibfcDrMQqxdQFCDWnf86Gj5IftY7CtRvWGsi+nQEOKI63jm8vE9a Zoy3My9xvdcZtUiy9GGsbjjyIjZ9l8WpPAvYQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=+CqdFjUbPsFcXmKSPDmmDo194EYEoBLQtAS5/cHaV78=; b=XT4uL+AzyKih2OvHmrxicEDF0PxcY1dn8NslFKg6qv3VbHfyAeU+RMRBpuE3+Lhxa8 STLpOEyjT6+J4oAuPcAbR2/6SXWX/KZEGivKs+/Snw5xiBHSGeKwgnAFm7sJOvvANh4s HpF5QVf2NgPIvc4s2oxyyUo9VqtfZuuzgXIDRHlkJjYTGDyKloTeviDZdca5QEwYsGOy tEZhFsbp3QDvAH0OqOeAiP3AC26Yopnb9SVIkyZpLnQswY8/NRD6imkOx5HI5Pqn4zit 9R6gl+EZjdBJnnlZx0w94QtFEn1cJfLlSrq1dEDIwXa8Q/bA35cs6Ez3El3kEq6LoTGL qbOg== X-Gm-Message-State: AHQUAuZ8ThxKiRVrnMsqLkaGK7GrnU0hlMPcFkiPtokAtGZ1bu755rJS QLQoFGDjQCSUyDN7KavdmI70vQ== X-Google-Smtp-Source: AHgI3IY6t26oNneZecWK9LK0xxErUcIldANCTGKwUto6a/tOQEcRVc6vlnb04dcNM3K72pZBZae59w== X-Received: by 2002:a17:902:bc3:: with SMTP id 61mr1926546plr.15.1549322176854; Mon, 04 Feb 2019 15:16:16 -0800 (PST) Received: from rj-aorus.ric.broadcom.com ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id z14sm1281499pgv.47.2019.02.04.15.16.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 Feb 2019 15:16:15 -0800 (PST) From: Ray Jui To: Wolfram Sang , Rob Herring , Mark Rutland Cc: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Rayagonda Kokatanur , Ray Jui Subject: [PATCH v4 3/8] dt-bindings: i2c: iproc: make 'interrupts' optional Date: Mon, 4 Feb 2019 15:15:49 -0800 Message-Id: <20190204231554.87666-4-ray.jui@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190204231554.87666-1-ray.jui@broadcom.com> References: <20190204231554.87666-1-ray.jui@broadcom.com> Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org In prep for the introduction of polling mode into the driver, update the binding document to make the 'interrupts' property optional Signed-off-by: Ray Jui Signed-off-by: Rayagonda Kokatanur --- .../devicetree/bindings/i2c/brcm,iproc-i2c.txt | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt index 81f982ccca31..d3a3620b1f06 100644 --- a/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt +++ b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt @@ -9,9 +9,6 @@ Required properties: Define the base and range of the I/O address space that contain the iProc I2C controller registers -- interrupts: - Should contain the I2C interrupt - - clock-frequency: This is the I2C bus clock. Need to be either 100000 or 400000 @@ -21,6 +18,13 @@ Required properties: - #size-cells: Always 0 +Optional properties: + +- interrupts: + Should contain the I2C interrupt. If unspecified, driver will fall back to + polling mode + + Example: i2c0: i2c@18008000 { compatible = "brcm,iproc-i2c";